Wow Wee Paint Pops Pen Set

It's so simple: Insert the paint balls into the pen, shake them to mix the colors, and then start painting.
Imaginative Play: The Shake and Paint Pen Set is a fun arts and crafts activity for kids.
Easy Storage: The paint balls can be stored in the resealable containers (included) when not in use.
Shake and Paint Pen Set: Includes one pen bottle, one wide nozzle, one brush nozzle, one paint layer barrier, one finger paint stamp, 20 color palettes including: 5 watercolors, 5 yellows, 5 reds, 5 greens, 4 replacement caps, and an instruction sheet.